Jan 17, 2025 · In this article, we will see how to find the area of a square in JavaScript if the side of the square is given. A square is a geometric shape with four equal sides and four right angles. The area of a square is calculated by multiplying the length of one side by itself.

Jun 23, 2013 · I'm writing a simple function to calculate the area of a rectangle... Here is my code: <form id="rectangleForm" method="post"> <h1>Calculate the area of a rectangle:</h1> <di...

May 15, 2020 · function calculateArea(shape) { // calculate the shape's area switch (shape) { case "circle": let radius = document.getElementById("id_radius").value; return Math.PI * radius * radius; case "triangle": let base = document.getElementById("id_base").value; let height = document.getElementById("id_height").value; return base * height / 2; case ...

To find the area and perimeter of a rectangle in JavaScript, we will be using the basic formulas for the perimeter and area of a rectangle. The area of a rectangle is the multiplication of its length by its breadth, and the perimeter of a rectangle is the sum of the lengths of all its four sides.

Jul 11, 2023 · To calculate the area of a square, we use the formula: side². In this case, the side is B. Let’s calculate and store the area in a variable. To calculate the area of a rectangle, we use the formula: length * width. In this case, the length is A and the width is B. Let’s calculate and store the area in a variable.

function calculateArea() { // get the selected shape . let shape = document.getElementById("id_shapes").value; // calculate the shape's area. let area = 0; switch (shape) { case "circle": let radius = document.getElementById("id_radius").value; area = Math.PI * …

area = Number (lenEl. value) * Number (widEl. value) //perimeter formule 2*(length+width) perimeter = 2 * ( Number ( lenEl . value ) + Number ( widEl . value ) )

Mar 1, 2025 · Write a JavaScript program to create a class called 'Rectangle' with properties for width and height. Include two methods to calculate rectangle area and perimeter. Create an instance of the 'Rectangle' class and calculate its area and perimeter.

May 4, 2016 · Formula to get the Area of a Rectangle Length x Width JavaScript This script used to solve the length and the width of a rectangle to get the area. document. write("<b style='color:blue; font-size:18px;'> The <b style='color:red;'>Area</b> of Rectangle is <b style='color:red;'>" + solving_area + "</b></b>.");

Feb 29, 2024 · In this article, we will see how to find the area of a square in JavaScript if the side of the square is given. A square is a geometric shape with four equal sides and four right angles. The area of a square is calculated by multiplying the length of one side by itself. Formula of the Area of Square Area= side * side